Komatsu Cylinder Block 6204-21-1504

The Komatsu Cylinder Block 6204-21-1504 is identified in the supplied parts catalog as a CYLINDER BLOCK & COMPONENTS for specific Komatsu diesel engine and equipment configurations. Cataloged engine models include 4D95L-E-2A, 4D95LE-3-65, and S4D95LE-3A-2. Listed machine applications include PC60-7 / PC60-7B, PC75UU-3, PC78US-5, PC78US-6-N, and WA65-5 W/CAB. Use the complete model and serial-number details below to compare this part with the equipment being serviced.

What is 6204-21-1504 used for?

Part number 6204-21-1504 is cataloged as a Cylinder Block. It appears in the CYLINDER BLOCK & COMPONENTS parts group. The correct selection depends on the engine model, machine model, and the applicable serial-number range.

Compatible engine models

4D95L-E-2A, 4D95LE-3-65, S4D95LE-3A-2

Engine models with serial-number ranges

4D95L-E-2A (Build 1E) ? 100005-Up | 4D95LE-3-65 (Build 1G-1) ? Not Provided | S4D95LE-3A-2 (Build 1K) ? 100001-Up

Application models without serial numbers

PC60-7 / PC60-7B, PC75UU-3, PC78US-5, PC78US-6-N, WA65-5 W/CAB, WA70-5, WA80-5 (20Kkm/h), WA80-5 (30Kkm/h), WA80-5, PC78MR-6-N

Applications with serial-number ranges

PC60-7 / PC60-7B S/No. 45001-Up, PC75UU-3 S/No. 15001-Up, PC78US-5 S/No. 1001-Up, PC78US-6-N S/No. 4001-Up, WA65-5 W/CAB S/No. H50051-Up, WA70-5 S/No. H50051-Up, WA80-5 (20Kkm/h) S/No. H50051-Up, WA80-5 (30Kkm/h) S/No. H50051-Up, WA80-5 S/No. H50051-Up, PC78MR-6-N S/No. 1001-Up

How do I confirm fitment?

Match 6204-21-1504 to the existing part number and verify the complete engine model, equipment model, and serial number. A shared model name does not confirm compatibility because production changes can affect the required component.

Frequently asked question

Will 6204-21-1504 fit every listed Komatsu machine?
No. Fitment is limited to the cataloged engine, application, and serial-number combinations. Confirm all identifying information before ordering.